source: imaps-frontend/node_modules/@babel/traverse/lib/visitors.js@ d565449

main
Last change on this file since d565449 was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago

Update repo after prototype presentation

  • Property mode set to 100644
File size: 7.7 KB
Line 
1"use strict";
2
3Object.defineProperty(exports, "__esModule", {
4 value: true
5});
6exports.environmentVisitor = environmentVisitor;
7exports.explode = explode$1;
8exports.isExplodedVisitor = isExplodedVisitor;
9exports.merge = merge;
10exports.verify = verify$1;
11var virtualTypes = require("./path/lib/virtual-types.js");
12var virtualTypesValidators = require("./path/lib/virtual-types-validator.js");
13var _t = require("@babel/types");
14var _context = require("./path/context.js");
15const {
16 DEPRECATED_KEYS,
17 DEPRECATED_ALIASES,
18 FLIPPED_ALIAS_KEYS,
19 TYPES,
20 __internal__deprecationWarning: deprecationWarning
21} = _t;
22function isVirtualType(type) {
23 return type in virtualTypes;
24}
25function isExplodedVisitor(visitor) {
26 return visitor == null ? void 0 : visitor._exploded;
27}
28function explode$1(visitor) {
29 if (isExplodedVisitor(visitor)) return visitor;
30 visitor._exploded = true;
31 for (const nodeType of Object.keys(visitor)) {
32 if (shouldIgnoreKey(nodeType)) continue;
33 const parts = nodeType.split("|");
34 if (parts.length === 1) continue;
35 const fns = visitor[nodeType];
36 delete visitor[nodeType];
37 for (const part of parts) {
38 visitor[part] = fns;
39 }
40 }
41 verify$1(visitor);
42 delete visitor.__esModule;
43 ensureEntranceObjects(visitor);
44 ensureCallbackArrays(visitor);
45 for (const nodeType of Object.keys(visitor)) {
46 if (shouldIgnoreKey(nodeType)) continue;
47 if (!isVirtualType(nodeType)) continue;
48 const fns = visitor[nodeType];
49 for (const type of Object.keys(fns)) {
50 fns[type] = wrapCheck(nodeType, fns[type]);
51 }
52 delete visitor[nodeType];
53 const types = virtualTypes[nodeType];
54 if (types !== null) {
55 for (const type of types) {
56 if (visitor[type]) {
57 mergePair(visitor[type], fns);
58 } else {
59 visitor[type] = fns;
60 }
61 }
62 } else {
63 mergePair(visitor, fns);
64 }
65 }
66 for (const nodeType of Object.keys(visitor)) {
67 if (shouldIgnoreKey(nodeType)) continue;
68 let aliases = FLIPPED_ALIAS_KEYS[nodeType];
69 if (nodeType in DEPRECATED_KEYS) {
70 const deprecatedKey = DEPRECATED_KEYS[nodeType];
71 deprecationWarning(nodeType, deprecatedKey, "Visitor ");
72 aliases = [deprecatedKey];
73 } else if (nodeType in DEPRECATED_ALIASES) {
74 const deprecatedAlias = DEPRECATED_ALIASES[nodeType];
75 deprecationWarning(nodeType, deprecatedAlias, "Visitor ");
76 aliases = FLIPPED_ALIAS_KEYS[deprecatedAlias];
77 }
78 if (!aliases) continue;
79 const fns = visitor[nodeType];
80 delete visitor[nodeType];
81 for (const alias of aliases) {
82 const existing = visitor[alias];
83 if (existing) {
84 mergePair(existing, fns);
85 } else {
86 visitor[alias] = Object.assign({}, fns);
87 }
88 }
89 }
90 for (const nodeType of Object.keys(visitor)) {
91 if (shouldIgnoreKey(nodeType)) continue;
92 ensureCallbackArrays(visitor[nodeType]);
93 }
94 return visitor;
95}
96function verify$1(visitor) {
97 if (visitor._verified) return;
98 if (typeof visitor === "function") {
99 throw new Error("You passed `traverse()` a function when it expected a visitor object, " + "are you sure you didn't mean `{ enter: Function }`?");
100 }
101 for (const nodeType of Object.keys(visitor)) {
102 if (nodeType === "enter" || nodeType === "exit") {
103 validateVisitorMethods(nodeType, visitor[nodeType]);
104 }
105 if (shouldIgnoreKey(nodeType)) continue;
106 if (!TYPES.includes(nodeType)) {
107 throw new Error(`You gave us a visitor for the node type ${nodeType} but it's not a valid type in @babel/traverse ${"7.25.3"}`);
108 }
109 const visitors = visitor[nodeType];
110 if (typeof visitors === "object") {
111 for (const visitorKey of Object.keys(visitors)) {
112 if (visitorKey === "enter" || visitorKey === "exit") {
113 validateVisitorMethods(`${nodeType}.${visitorKey}`, visitors[visitorKey]);
114 } else {
115 throw new Error("You passed `traverse()` a visitor object with the property " + `${nodeType} that has the invalid property ${visitorKey}`);
116 }
117 }
118 }
119 }
120 visitor._verified = true;
121}
122function validateVisitorMethods(path, val) {
123 const fns = [].concat(val);
124 for (const fn of fns) {
125 if (typeof fn !== "function") {
126 throw new TypeError(`Non-function found defined in ${path} with type ${typeof fn}`);
127 }
128 }
129}
130function merge(visitors, states = [], wrapper) {
131 const mergedVisitor = {
132 _verified: true,
133 _exploded: true
134 };
135 {
136 Object.defineProperty(mergedVisitor, "_exploded", {
137 enumerable: false
138 });
139 Object.defineProperty(mergedVisitor, "_verified", {
140 enumerable: false
141 });
142 }
143 for (let i = 0; i < visitors.length; i++) {
144 const visitor = explode$1(visitors[i]);
145 const state = states[i];
146 let topVisitor = visitor;
147 if (state || wrapper) {
148 topVisitor = wrapWithStateOrWrapper(topVisitor, state, wrapper);
149 }
150 mergePair(mergedVisitor, topVisitor);
151 for (const key of Object.keys(visitor)) {
152 if (shouldIgnoreKey(key)) continue;
153 let typeVisitor = visitor[key];
154 if (state || wrapper) {
155 typeVisitor = wrapWithStateOrWrapper(typeVisitor, state, wrapper);
156 }
157 const nodeVisitor = mergedVisitor[key] || (mergedVisitor[key] = {});
158 mergePair(nodeVisitor, typeVisitor);
159 }
160 }
161 return mergedVisitor;
162}
163function wrapWithStateOrWrapper(oldVisitor, state, wrapper) {
164 const newVisitor = {};
165 for (const phase of ["enter", "exit"]) {
166 let fns = oldVisitor[phase];
167 if (!Array.isArray(fns)) continue;
168 fns = fns.map(function (fn) {
169 let newFn = fn;
170 if (state) {
171 newFn = function (path) {
172 fn.call(state, path, state);
173 };
174 }
175 if (wrapper) {
176 newFn = wrapper(state == null ? void 0 : state.key, phase, newFn);
177 }
178 if (newFn !== fn) {
179 newFn.toString = () => fn.toString();
180 }
181 return newFn;
182 });
183 newVisitor[phase] = fns;
184 }
185 return newVisitor;
186}
187function ensureEntranceObjects(obj) {
188 for (const key of Object.keys(obj)) {
189 if (shouldIgnoreKey(key)) continue;
190 const fns = obj[key];
191 if (typeof fns === "function") {
192 obj[key] = {
193 enter: fns
194 };
195 }
196 }
197}
198function ensureCallbackArrays(obj) {
199 if (obj.enter && !Array.isArray(obj.enter)) obj.enter = [obj.enter];
200 if (obj.exit && !Array.isArray(obj.exit)) obj.exit = [obj.exit];
201}
202function wrapCheck(nodeType, fn) {
203 const fnKey = `is${nodeType}`;
204 const validator = virtualTypesValidators[fnKey];
205 const newFn = function (path) {
206 if (validator.call(path)) {
207 return fn.apply(this, arguments);
208 }
209 };
210 newFn.toString = () => fn.toString();
211 return newFn;
212}
213function shouldIgnoreKey(key) {
214 if (key[0] === "_") return true;
215 if (key === "enter" || key === "exit" || key === "shouldSkip") return true;
216 if (key === "denylist" || key === "noScope" || key === "skipKeys") {
217 return true;
218 }
219 {
220 if (key === "blacklist") {
221 return true;
222 }
223 }
224 return false;
225}
226function mergePair(dest, src) {
227 for (const phase of ["enter", "exit"]) {
228 if (!src[phase]) continue;
229 dest[phase] = [].concat(dest[phase] || [], src[phase]);
230 }
231}
232const _environmentVisitor = {
233 FunctionParent(path) {
234 if (path.isArrowFunctionExpression()) return;
235 path.skip();
236 if (path.isMethod()) {
237 if (!path.requeueComputedKeyAndDecorators) {
238 _context.requeueComputedKeyAndDecorators.call(path);
239 } else {
240 path.requeueComputedKeyAndDecorators();
241 }
242 }
243 },
244 Property(path) {
245 if (path.isObjectProperty()) return;
246 path.skip();
247 if (!path.requeueComputedKeyAndDecorators) {
248 _context.requeueComputedKeyAndDecorators.call(path);
249 } else {
250 path.requeueComputedKeyAndDecorators();
251 }
252 }
253};
254function environmentVisitor(visitor) {
255 return merge([_environmentVisitor, visitor]);
256}
257
258//# sourceMappingURL=visitors.js.map
Note: See TracBrowser for help on using the repository browser.